Road or railway vehicle



Feb. 16, 1937. I. WILLEME 2,070,702

ROAD OR RAILWAY VEHICLE Filed Jan. s", 1933 v j M eme/ Patented Feb. 16,1937 UNITED STATES PATENT OFFICE ROAD OR RAILWAY VEHICLE Louis Willeme,Nanterre, France, assignor to Societe Anonyme Etablissements Willeme,Nanterre, France, a corporation of France Application January 5, 1933,Serial No. 650,336 In France September 29, 1932 1 Claim. (Cl. 105215)The invention relates to a wagon, platform or to run on roads, it iscoupled to the tractor 8, the trailer adapted to run, as desired, onrailways and front axle 2 being slightly raised in the known on roads.manner so as to detach its wheels 4 from the The construction of wagonaccording to the base which they are resting on. The tractor is 5invention enables it to be included among the then provided withpneumatic tyres, and the 5 vehicles of goods trains, or to be unhookedand. tyres 6 are unhooked from the frame I in order coupled to a tractorof any type for running to mount them on the wheels 5. In this way, theon roads. The said wagon, platform or trailer platform or wagon is ableto leave the rails and is supported by two axles, one of which maysimrest on the ground solely by the pneumatic 10 ply be provided at itsends with ordinary metal tyres 6. 10

wheels for running on the railway, while the It is evident that it ispossible to construct a other is provided with mixed wheels, comprisingWagon or platform adapted to be coupled at the a rim for running onrails and a readily detachfront or at the rear to a tractor, in whichcase able pneumatic tyre. It will be appreciated that, the axles 2 and 3each comprise on their ends as a consequence of this arrangement, whenthe metal tyres and detachable pneumatic tyres. In 15 wagon, platform ortrailer is running on railway this case, its four wheels may beemployed, if detracks, it will rest on the rails by its metal tyres,sired, for running on roads. whilst, when it is desired to run the wagonon a It is understood of course that the invention road, it is merelynecessary to couple it by means is not limited to any of the particularconstruc- 2 of any suitable device to the rear of a tractor, tionaldetails described in the foregoing. Thethe axle placed at the same endas the coupling tractor may be of any type, provided it comprises beingraised, so that the wagon is able to leave a coupling device allowingthe axle of the trailer the rails and rest solely on the pneumatictyres. nearest the coupling point to be raised. As to the For a betterunderstanding of the invention, a wagon, platform or the like, intendedfor mixed constructional form will be described more fully traction onrails or on roads, it will be provided, 25

by way of example with reference to the accomon at least one of itsaxles with any type of panying drawing, in which: mixed wheels,comprising metal rims for the Figure 1 is a view of a platform inrunning railway track and pneumatic tyres for the road, order fortravelling on railway tracks, the whole being combined with means forcou- Figure 2 is a similar view to Figure 1, showing pling it to anautomobile tractor. 30

the platform in running order for travelling on I claim: roads. v A roadand railway vehicle comprising a frame,

The frame of the wagon, platform or trailer is two axles similarlydisposed at opposite ends of indicated at l and rests on two axles 2 and3. the frame for supporting said frame, identical One of the said axles,which may be called the railway-wheels at the ends of each axle, road-35 front axle 2, carries at its ends ordinary metal wheels adapted to bedetachably clamped on the wheels 4 for running on railway tracks. Thesecrailway-wheels on one of the axles, said road 0nd axle or back axle 3is likewise provided with wheels having a greater diameter than saidrailmetal wheels 5 adapted to carry pneumatic tyres way-wheels and meansfor coupling the vehicle 6 which, when the frame I is running on arailto a road tractor including means for raising the Way track, arehooked up at 1. When the wagon end of the vehicle opposite theroad-Wheels a dis- I is running on railway tracks, it rests solely ontancc substantially equal to the difference in the rails by the metaltyres 4 and 5, and may be radius between the road and rail wheelswhereby either included among the vehicles of a goods the vehicle willbe substantially level when either train, or coupled to any tractor 8,the metal the road-wheels are in use or when the railway- 9 wheels 9 ofwhich are adapted to run on railway wheels are in use. tracks 'or tocarry pneumatic tyres for running LOUIS WILLEME. on roads. 0n thecontrary, when the frame I is

